https://quickfield.com/advanced/33kv_cable_termination.htm0.5 https://quickfield.com/advanced/3-phase-cable.htm0.5https://quickfield.com/demo/3-phase-cable.jpg Three phase cable High frequency (400 Hz) three phase cable leakage current calculation https://quickfield.com/demo/3-phase-cable.mp4 2023-04-13 no https://quickfield.com/advanced/3-phase-transmission-line.htm0.5https://quickfield.com/demo/3-phase-transmission-line.jpg 3-phase transmission line with grounding Simulation of the 3-phase transmission line with grounding https://quickfield.com/demo/3-phase-transmission-line.mp4 2023-04-15 no https://quickfield.com/advanced/3phase_cable.htm0.5https://quickfield.com/demo/3phase_cable.jpg Electrostatic simulation of 3 phase cable Determination of the electric field strength and potential in the cable and in the insulation https://quickfield.com/demo/3phase_cable.mp4 2015-12-24 no https://quickfield.com/advanced/acelec1.htm0.5https://quickfield.com/demo/acelec1.jpg Plane capacitor dielectric loss To calculate dielectric losses we specify effective value of electric conductivity for dielectric, that is a function of loss tangent, frequency and relative permittivity https://quickfield.com/demo/acelec1.mp4 2022-09-05 no https://quickfield.com/advanced/acelec2.htm0.5https://quickfield.com/demo/acelec2.jpg Cylindrical capacitor dissipation factor Simulation of the cylindrical capacitor. This is an example problem analysis performed with QuickField software. https://quickfield.com/demo/acelec2.mp4 2015-12-24 no https://quickfield.com/advanced/acelec3.htm0.5https://quickfield.com/demo/acelec3.jpg Core-end insulation electric stress Determination of the distribution of the electric field intensity along the surface of insulation https://quickfield.com/demo/acelec3.mp4 2023-06-20 no https://quickfield.com/advanced/ai_use_case_1.htm0.5 https://quickfield.com/advanced/ai_use_case_2.htm0.5 https://quickfield.com/advanced/ai_use_case_3.htm0.5 https://quickfield.com/advanced/ai_use_case_4.htm0.5 https://quickfield.com/advanced/ampere_force_law.htm0.5https://quickfield.com/demo/ampere_force.jpg Ampere force law Compare the force of attraction between two thin parallel current-currying wires given by Ampere's law and calculated in QuickField https://quickfield.com/demo/ampere_force.mp4 2019-04-25 no https://quickfield.com/advanced/anode_foil_perforation.htm0.5https://quickfield.com/demo/anode_foil_perforation.jpg Etched anode foil capacitance Capacitance of the capacitors depends on the size of the electrode surfaces. To increase the surface area, anodes of the aluminum electrolytic capacitors are are electrochemically etched. In this example we calculate the capacitance of the film with a cylindrical pit which represents a small part of the electrolytic capacitor. https://quickfield.com/demo/anode_foil_perforation.mp4 2014-12-10 no https://quickfield.com/advanced/arcing_horns.htm0.5https://quickfield.com/demo/arcing_horns.jpg Arcing horns bushing insulator Calculate electric field stress distribution along the bushing insulator surface and in the spark gap. https://quickfield.com/demo/arcing_horns.mp4 2016-01-24 no https://quickfield.com/advanced/axial_flux_motor.htm0.5 https://quickfield.com/advanced/benchmarks.htm0.5 https://quickfield.com/advanced/bent_copper_wire_resistance.htm0.5https://quickfield.com/demo/bent_copper_wire_resistance.jpg Bent copper wire electrical resistance,current crowding effect Calculation of bending effect on wire electrical resistance https://quickfield.com/demo/bent_copper_wire_resistance.mp4 2016-09-24 no https://quickfield.com/advanced/biased_relay_force.htm0.5https://quickfield.com/demo/biased_relay_force.jpg Biased relay force Determine the pulling force vs. time dependency after switching the relay on. https://quickfield.com/demo/biased_relay_force.mp4 2020-08-03 no https://quickfield.com/advanced/bifilar_coil.htm0.5 https://quickfield.com/advanced/bio_cell_in_external_electric_field.htm0.5https://quickfield.com/demo/bio_cell_in_external_electric_field.jpg Biological cell in the external AC electric field Alternating electric field penetration inside the biological cell at different frequencies. https://quickfield.com/demo/bio_cell_in_external_electric_field.mp4 2010-12-21 no https://quickfield.com/advanced/biot-savart_law.htm0.5https://quickfield.com/demo/biot-savart_law.jpg Biot Savart Laplace law Compute magnetic flux density at the point of interest https://quickfield.com/demo/biot-savart_law.mp4 2019-04-25 no https://quickfield.com/advanced/bldc.htm0.5 https://quickfield.com/advanced/bldc_slots_skewing.htm0.5 https://quickfield.com/advanced/block_pm_ferromagnetic.htm0.5https://quickfield.com/demo/block_pm_ferromagnetic.jpg Attraction of the block magnet to the steel plate Rectangular prism shaped permanent magnet is pulled toward the ferromagnetic plate. Calculate the pulling force of the magnet attraction to the steel plate. https://quickfield.com/demo/block_pm_ferromagnetic.mp4 2022-12-16 no https://quickfield.com/advanced/blpmdc.htm0.5 https://quickfield.com/advanced/bone_drilling_temperature.htm0.5 https://quickfield.com/advanced/brooks_inductor.htm0.5https://quickfield.com/demo/brooks_coil.jpg Brooks coil Brooks coil has specially adjusted dimensions, which assure the maximum inductance value for a given wire length. https://quickfield.com/demo/brooks_inductor.mp4 2022-12-16 no https://quickfield.com/advanced/building_corner_insulation.htm0.5 https://quickfield.com/advanced/bushing_insulator.htm0.5https://quickfield.com/demo/bushing_insulator_960x720.jpg Bushing insulator 3-phase bushing insulators 10kV rated are installed on the transformer tank cover. https://quickfield.com/demo/bushing_insulator_960x720.mp4 2013-10-24 no https://quickfield.com/advanced/bushing_optimization.htm0.5https://quickfield.com/demo/bushing_optimization.jpg Bushing optimization Determine the optimal design of pass-through insulator https://quickfield.com/demo/bushing_optimization.mp4 2018-03-21 no https://quickfield.com/advanced/bus-bars_90.htm0.5https://quickfield.com/demo/bus-bars_90_freecad.jpg 3D model creation in FreeCAD This model presents two copper bus-bars. One bus-bar is straight, other is bended by 90 degrees and both are positioned in the parallel planes. https://quickfield.com/demo/bus-bars_90_freecad.mp4 2015-11-17 no https://quickfield.com/advanced/busbars_ac_resistance.htm0.5https://quickfield.com/demo/busbars_ac_resistance.jpg Symmetric double line of conductors Dependence of the busbar losses on the alternating current frequency https://quickfield.com/demo/busbars_ac_resistance.mp4 2022-06-16 no https://quickfield.com/advanced/cable.htm0.5https://quickfield.com/demo/cable.jpg Power cable parameters calculation Automated determination of parameters of the high-voltage tetra-core cable https://quickfield.com/demo/cable.mp4 2015-03-24 no https://quickfield.com/advanced/cable_ampacity_cigre_01.htm0.5 https://quickfield.com/advanced/cable_dielectric_losses.htm0.5https://quickfield.com/demo/cable_dielectric_losses.jpg Dielectric loss in cable IEC 60287 suggests that for unfilled XLPE cables rated above the 127 kV level dielectric losses should be calculated. Calculate the capacitance and dielectric losses in the cable. https://quickfield.com/demo/cable_dielectric_losses.mp4 2023-06-20 no https://quickfield.com/advanced/cable_insulation_electric_stress.htm0.5 https://quickfield.com/advanced/cable_insulation_optimization.htm0.5https://quickfield.com/demo/cable_insulation_optimization.jpg Cable insulation optimization Determine optimal HV conductor diameter, to get minimal electric field stress in the cable insulation at the inner conductor surface. https://quickfield.com/demo/cable_insulation_optimization.mp4 2010-02-03 no https://quickfield.com/advanced/cable_stress_cone.htm0.5https://quickfield.com/demo/cable_stress_cone.jpg Cable termination to oil filled bushing Stress cone with deflector is used to reduce the electric field stress in the cable termination. https://quickfield.com/demo/cable_stress_cone.mp4 2023-06-20 no https://quickfield.com/advanced/cable_temperature.htm0.5https://quickfield.com/demo/cable_temperature.jpg Three phase power cable temperature The three phase power cable with sector shaped conductors is surrounded by air. Calculate the Joule heat losses per 1 meter of cable length and the conductors temperature. https://quickfield.com/demo/cable_temperature.mp4 2023-07-20 no https://quickfield.com/advanced/cable_termination.htm0.5https://quickfield.com/demo/cable_termination_960x720.jpg Cable termination Cable termination is a most loaded part of the cable system https://quickfield.com/demo/cable_termination_960x720.mp4 2013-10-24 no https://quickfield.com/advanced/cable_thermal_conductivity.htm0.5 https://quickfield.com/advanced/cable_thermal_resistance.htm0.5 https://quickfield.com/advanced/cable_transients.htm0.5https://quickfield.com/demo/cable_transients_1.jpg Underground cable dielectric losses Initially the cable is kept energized with zero current for many days. Only dielectric losses exist. AC conduction problem is simulated to calculate dielectric losses. Then a steady-state heat transfer problem is simulated to calculate the temperature. https://quickfield.com/demo/cable_transients_1.mp4 2023-07-20 no https://quickfield.com/demo/cable_transients.jpg Transient thermal response of underground power cables Initially the cable is kept energized with zero current for many days. Then the current is switched on. Transient thermal problems takes 3 input parameters: dielectric losses, conductor losses and initial temperature distribution. https://quickfield.com/demo/cable_transients.mp4 2023-08-22 no https://quickfield.com/advanced/cable_wall_seal.htm0.5 https://quickfield.com/advanced/capacitive_divider.htm0.5https://quickfield.com/demo/capacitive_divider.jpg Capacitive voltage divider Capacitive voltage divider is used to reduce the voltage level to a measurable value. https://quickfield.com/demo/capacitive_divider.mp4 2023-11-22 no https://quickfield.com/advanced/capacitive_levelmeter.htm0.5 https://quickfield.com/advanced/capacitive_sensor.htm0.5https://quickfield.com/demo/capacitive_sensor.jpg Capacitive displacement sensor Capacitive displacement sensor working principle is based on the capacitance change with variation of the mutual position of the two coaxial cylindrical electrodes. https://quickfield.com/demo/capacitive_sensor.mp4 2014-12-10 no https://quickfield.com/advanced/capacitive_touch_sensor.htm0.5https://quickfield.com/demo/capacitive_touch_sensor.jpg Capacitive touch sensor Capacitive touch sensor consists of two electrodes: transmitting Tx and receiving Rx placed on the dielectric board. Presence of the finger in their vicinity affects the capacitance between electrodes. https://quickfield.com/demo/capacitive_touch_sensor.mp4 2022-11-10 no https://quickfield.com/advanced/capacitor_discharge.htm0.5https://quickfield.com/demo/capacitor_discharge.jpg Capacitor discharge through coil (RL-circuit) Transient problem for the electrical circuit with nonlinear elements (co-simulation with Ngspice) https://quickfield.com/demo/capacitor_discharge.mp4 2015-04-24 no https://quickfield.com/advanced/capacity_kiln.htm0.5https://quickfield.com/demo/capacity_kiln.jpg Analysis of heat transfer in the capacity kiln Temperature distribution in the kiln calculation https://quickfield.com/demo/capacity_kiln.mp4 2015-12-24 no https://quickfield.com/advanced/casserole_pan.htm0.5 https://quickfield.com/advanced/chimney_temperature.htm0.5 https://quickfield.com/advanced/chip_radiator_heat_sink.htm0.5https://quickfield.com/demo/chip_radiator_heat_sink.jpg Chip radiator heat sink Chip radiator heat sink temperature https://quickfield.com/demo/chip_radiator_heat_sink.mp4 2016-09-24 no https://quickfield.com/advanced/chemotherapy.htm0.5 https://quickfield.com/advanced/circuit_linear_ac.htm0.5https://quickfield.com/demo/circuit_linear_ac.jpg Electric circuit analysis Calculate currents and voltages in the circuit elements, check the power balance. https://quickfield.com/demo/circuit_linear_ac.mp4 2015-04-24 no https://quickfield.com/advanced/circuit1.htm0.5https://quickfield.com/advanced/circuit1_simulation_result.gif Symmetric double line of conductors Calculation of the power losses in the conductors of the transmission line https://quickfield.com/demo/circuit1.mp4 2015-09-24 no https://quickfield.com/advanced/circuit2.htm0.5https://quickfield.com/demo/circuit2.jpg Welding transformer output power Volt-ampere characteristic of the welding transformer calculation https://quickfield.com/demo/circuit2.mp4 2010-09-13 no https://quickfield.com/advanced/circuit3.htm0.5https://quickfield.com/demo/circuit3.jpg Bandpass filter transfer function Calculation of the filter transfer function https://quickfield.com/demo/circuit3.mp4 2015-04-24 no https://quickfield.com/advanced/coaxial_pm_cylinders_force.htm0.5 https://quickfield.com/advanced/coaxial_line_leakage_current.htm0.5 https://quickfield.com/advanced/cogging_torque.htm0.5https://quickfield.com/demo/cogging_torque.jpg Cogging torque of wind turbine generator Here we will review an example of poor design of the wind turbine generator. Number of rotor poles is chosen to be 2p=12. It turns out that the ratio of the number of stator slots (Z1=48) to the number of rotor poles is an integer. https://quickfield.com/demo/cogging_torque.mp4 2023-01-25 no https://quickfield.com/advanced/coil.htm0.5https://quickfield.com/demo/coil.jpg Coil switching current DC voltage is applied to the coil. Calculate the switching current. https://quickfield.com/demo/coil.mp4 2023-04-16 no https://quickfield.com/advanced/coil_b.htm0.5https://quickfield.com/demo/coil_b.jpg Coil with ferromagnetic core Obtaining the magnetic field parameters in coil and air https://quickfield.com/demo/coil_b.mp4 2015-09-24 no https://quickfield.com/advanced/coil_pulse_heating.htm0.5https://quickfield.com/advanced/coil_pulse_heating.gif Coil pulse heating A single triangle-shaped voltage pulse is applied to the coil. Calculate the switching current and heating power and temperature rise. https://quickfield.com/demo/pulse_coil_heating.mp4 2014-08-12 no https://quickfield.com/advanced/collinear_cylinders_capacitance.htm0.5https://quickfield.com/demo/cylinders_capacitance.jpg Coaxial cylinders capacitance Find the mutual capacitance between two coaxial infinitely long cylinders https://quickfield.com/demo/cylinders_capacitance.mp4 2015-09-24 no https://quickfield.com/advanced/comb_drive.htm0.5https://quickfield.com/demo/comb_drive_960x720.jpg Comb drive Comb-drive is a MEMS device that utilize electrostatic forces acting between two electrically conductive combs connected to the voltage source. https://quickfield.com/demo/comb_drive_960x720.mp4 2013-10-24 no https://quickfield.com/advanced/comb_drive_resonator.htm0.5https://quickfield.com/demo/mems_comb_drive.jpg Comb drive resonator Comb-drive is a MEMS device that utilize electrostatic forces acting between two electrically conductive combs connected to the voltage source. https://quickfield.com/demo/mems_comb_drive.mp4 2017-12-04 no https://quickfield.com/advanced/composite_thermal_conductivity.htm0.5 https://quickfield.com/advanced/concentric_cylinders_inductance.htm0.5https://quickfield.com/demo/concentric_cylinders_inductance.jpg Inductance of a pair of concentric cylinders Determination of the inductance of the cable per meter length https://quickfield.com/demo/concentric_cylinders_inductance.mp4 2012-06-24 no https://quickfield.com/advanced/concrete_thermos.htm0.5 https://quickfield.com/advanced/condenser_bushing_field_grading.htm0.5https://quickfield.com/demo/condenser_bushing_field_grading.jpg Condenser bushing field grading The bushing is used to pass the conductor into the oil-filled tank of the transformer. Typically there are two areas where electric field stress is high: at the conductor surface and near the tank wall. We use the bushing condenser to redistribute electric potential more uniformly and reduce electric field stress in the insulation. https://quickfield.com/demo/condenser_bushing_field_grading.mp4 2023-11-22 no https://quickfield.com/advanced/conducting_sphere_inside_capacitor.htm0.5https://quickfield.com/demo/conducting_sphere_inside_capacitor.jpg Conducting sphere inside capacitor An uncharged conductive sphere is placed inside a charged parallel plate capacitor. https://quickfield.com/demo/conducting_sphere_inside_capacitor.mp4 2016-01-24 no https://quickfield.com/advanced/conducting_sheet_temperature.htm0.5https://quickfield.com/demo/conducting_sheet_temperature.jpg Temperature distribution in the conducting sheet The voltage is applied to the sides of conducting sheet. https://quickfield.com/demo/conducting_sheet_temperature.mp4 2015-06-24 no https://quickfield.com/demo/conducting_sheet_temperature_2.jpg Temperature distribution in the conducting sheet The voltage is applied to the sides of conducting sheet placed vertically. The flowing current heats the sheet due to resistive losses. The front and back surfaces of the sheet are cooled by the air. https://quickfield.com/demo/conducting_sheet_temperature_2.mp4 2023-07-20 no https://quickfield.com/advanced/conductive_laminated_polymer_films.htm0.5 https://quickfield.com/advanced/conductor_current_flow.htm0.5https://quickfield.com/advanced/conductor_current_flow.gif Current flow in conductor with various cross-sections Determination of the current distribution within the conductor https://quickfield.com/demo/conductor_current_flow.mp4 2015-09-24 no https://quickfield.com/advanced/copper_bars_magnetic_field.htm0.5https://quickfield.com/demo/copper_bars_magnetic_field.jpg Field distribution around two copper bars Magnetic simulation of two copper bars. This is an example problem analysis performed with QuickField software https://quickfield.com/demo/copper_bars_magnetic_field.mp4 2015-09-24 no https://quickfield.com/advanced/copper_inductor_steel_tube.htm0.5https://quickfield.com/demo/copper_inductor_steel_tube.jpg Copper inductor with a steel tube A 2-turns copper inductor is used to heat steel cylindrical part. Calculate temperature distribution in the steel part after 10 seconds of heating. https://quickfield.com/demo/copper_inductor_steel_tube.mp4 2024-09-19 no https://quickfield.com/advanced/core_air_gap_energy.htm0.5 https://quickfield.com/advanced/core_loss_square_wave.htm0.5https://quickfield.com/demo/core_loss_square_wave_1280x960.jpg Iron core loss in transient excitation mode This is an example of the iron losses calculation in transient magnetic simulation performed with QuickField software. https://quickfield.com/demo/core_loss_square_wave_1280x960.mp4 2016-10-24 no https://quickfield.com/advanced/core_reluctance.htm0.5 https://quickfield.com/advanced/corrugated_insulator.htm0.5https://quickfield.com/demo/corrugated_insulator_solidworks.jpg Porcelain corrugated insulator. Buildng 3D model Porcelain solid type bushing insulator model in SolidWorks https://quickfield.com/demo/corrugated_insulator_solidworks.mp4 2016-01-24 no https://quickfield.com/advanced/porcelain_corrugated_insulator_stress.png Porcelain corrugated insulator. Simulation in QuickField. Porcelain solid type bushing insulator of sinusoidal shape under nominal electric conditions. https://quickfield.com/demo/corrugated_insulator_quickfield.mp4 2016-01-24 no https://quickfield.com/advanced/coulombs_law.htm0.5https://quickfield.com/demo/coulombs_law.jpg Coulomb's law This example shows the calculation of the electrostatic force between two charged conductive spheres and result comparison with the classical Coulomb's law. https://quickfield.com/demo/coulombs_law.mp4 2019-04-25 no https://quickfield.com/advanced/coupl1.htm0.5https://quickfield.com/demo/solenoid_stress_1024x704.jpg Stress distribution in a long solenoid Calculation of the magnetic flux density and stress distribution in a solenoid https://quickfield.com/demo/solenoid_stress_1024x704.mp4 2015-05-24 no https://quickfield.com/advanced/coupl2.htm0.5https://quickfield.com/demo/pipe_stress_1024x704.jpg Pipe subject to temperature and pressure Calculation of the stress distribution in the pipe https://quickfield.com/demo/pipe_stress_1024x704.mp4 2015-05-24 no https://quickfield.com/advanced/coupl3.htm0.5https://quickfield.com/demo/coupl3.jpg Temperature distribution in an electric wire Calculation of the temperature distribution in a long current carrying wire https://quickfield.com/demo/coupl3.mp4 2015-09-24 no https://quickfield.com/advanced/coupl4.htm0.5https://quickfield.com/demo/tokamak.jpg TOKAMAK solenoid mechanical stress Calculation of the magnetic field generated by the solenoid and analyzing of the mechanical stresses and deformations https://quickfield.com/demo/tokamak.mp4 2015-09-24 no https://quickfield.com/advanced/coupl5_saturable_reactor.htm0.5 https://quickfield.com/advanced/coupl6_electromagnetic_screen.htm0.5 https://quickfield.com/advanced/coupled_resonant_circuit.htm0.5https://quickfield.com/demo/coupled_resonant_circuit.jpg Coupled resonant circuit This is essentially an air core transformer. One coil is energized and the other coil is connected to the load. We are going to change the distance between coils and the AC voltage frequency. The task is to measure the transfer function. https://quickfield.com/demo/coupled_resonant_circuit.mp4 2021-02-09 no https://quickfield.com/advanced/cross_bonding_cable.htm0.5https://quickfield.com/demo/cross_bonding_cable.jpg Cross bonded cable Cable sheaths are grounded on both ends to protect personnel from electrical hazards. This may cause excessive circulating sheath currents. To reduce the sheath current we utilize the cross-bonding. https://quickfield.com/demo/cross_bonding_cable.mp4 2023-08-22 no https://quickfield.com/advanced/crossed_field_cycloid.htm0.5 https://quickfield.com/advanced/crucible_stove.htm0.5https://quickfield.com/demo/crucible_stove.jpg Temperature field inside the crucible stove Calculate temperature distribution in the crucible stove. https://quickfield.com/demo/crucible_stove.mp4 2015-12-24 no https://quickfield.com/advanced/current_transformer.htm0.5 https://quickfield.com/advanced/cylindrical_bar.htm0.5https://quickfield.com/demo/cylindrical_bar_1024x704.jpg Cylindrical bar A prismatic bar of circular cross-section is loaded by tensile forces. https://quickfield.com/demo/cylindrical_bar_1024x704.mp4 2015-05-24 no https://quickfield.com/demo/hookes_law.jpg Hooke's law Hooke's law states that elongation is in direct proportion to the applied force. https://quickfield.com/demo/hookes_law.mp4 2019-04-25 no https://quickfield.com/advanced/cylindrical_capacitor.htm0.5https://quickfield.com/demo/cylindrical_capacitor_960x720.jpg Cylindrical capacitor 3D Capacitor consists from two coaxial cylindrical collinear electrodes. https://quickfield.com/demo/cylindrical_capacitor_960x720.mp4 2013-10-24 no https://quickfield.com/advanced/cylindrical_fuse.htm0.5https://quickfield.com/demo/cylindrical_fuse.jpg Cylindrical fuse operation time Determine fuse operation time at the fault current of 20 A https://quickfield.com/demo/cylindrical_fuse.mp4 2020-08-03 no https://quickfield.com/advanced/cylindrical_magnetic_device.htm0.5https://quickfield.com/demo/cylindrical_magnetic_device.jpg Cylindrical magnetic device Cylindrical magnetic device (actuator) consists of a fixed magnetic part, cylindrical magnetic plunger and electric coil https://quickfield.com/demo/cylindrical_magnetic_device.mp4 2015-09-24 no https://quickfield.com/advanced/cylindrical_needle_to_plane.htm0.5https://quickfield.com/demo/cylindrical_needle_to_plane.jpg Cylindrical needle to plane electric field Determine the electric field strength distribution as a function of needle diameter. https://quickfield.com/demo/cylindrical_needle_to_plane.mp4 2018-03-21 no https://quickfield.com/advanced/cylindrical_pm_ferromagnetic.htm0.5https://quickfield.com/demo/cylindrical_pm_ferromagnetic.jpg Attraction of the cylindrical magnet to the steel plate Cylindrical permanent magnet is pulled toward the ferromagnetic plate. Calculate the pulling force of the magnet toward the steel plate. https://quickfield.com/demo/cylindrical_pm_ferromagnetic.mp4 2013-03-24 no https://quickfield.com/advanced/dc_cond1_cable_thermal_breakdown_voltage.htm0.5 https://quickfield.com/advanced/dc_electromagnetic_plunger.htm0.5 https://quickfield.com/advanced/dc_motor_simulation.htm0.5 https://quickfield.com/advanced/dc_motor.htm0.5 https://quickfield.com/advanced/deformed_plate.htm0.5 https://quickfield.com/advanced/dirich1.htm0.5https://quickfield.com/demo/dirich1.jpg Conductive cylinder in rotating magnetic field Conductive cylinder in rotating magnetic field. https://quickfield.com/demo/dirich1.mp4 2022-07-25 no https://quickfield.com/advanced/dielectric_ellipsoid.htm0.5https://quickfield.com/demo/solidedge_ellipse.jpg Dielectric ellipsoid in the uniform electric field Dielectric ellipsoid is submerged in uniform electric field. The external field vector is aligned with ellipsoid major axis. https://quickfield.com/demo/solidedge_ellipse.mp4 2015-09-24 no https://quickfield.com/advanced/dielectric_heating.htm0.5https://quickfield.com/demo/dielectric_heating.jpg Dielectric heating Simulation of the wood drying process in a radio frequency heater. The heater creates an alternating electric field between capacitor plates. Heating occurs due to the dielectric loss in the wood placed inside the capacitor. https://quickfield.com/demo/dielectric_heating.mp4 2023-06-20 no https://quickfield.com/advanced/dielectric_losses.htm0.5https://quickfield.com/demo/dielectric_losses.jpg Dielectric losses Simulation of the dielectric losses in the capacitor with known loss tangent https://quickfield.com/demo/dielectric_losses.mp4 2015-09-24 no https://quickfield.com/advanced/dielectric_sphere_electric_field.htm0.5 https://quickfield.com/advanced/diesel_fuel_valve_actuator.htm0.5 https://quickfield.com/advanced/differential_transformer.htm0.5 https://quickfield.com/advanced/dip_socket_capacitance.htm0.5https://quickfield.com/demo/dip_socket_capacitance.jpg DIP socket capacitance Calculate capacitance between two adjacent pins. https://quickfield.com/demo/dip_socket_capacitance.mp4 2020-08-14 no https://quickfield.com/advanced/disc_permanent_magnet_force.htm0.5 https://quickfield.com/advanced/double_wound_solenoid.htm0.5https://quickfield.com/demo/double_wound_solenoid.jpg Double wound solenoid inductance DC voltage is applied to the double wound coil. Calculate the inductance, resistance and steady-state temperature. https://quickfield.com/demo/double_wound_solenoid.mp4 2023-09-20 no https://quickfield.com/advanced/duffing_lock.htm0.5https://quickfield.com/demo/duffing_lock.jpg Electromagnetic simulation of Duffing lock Calculation of the attraction force as function of releasing coil current https://quickfield.com/demo/duffing_lock.mp4 2015-12-24 no https://quickfield.com/advanced/dynamo-wrench.htm0.5https://quickfield.com/demo/dynamo-wrench.jpg Dynamo wrench Simulation of the stresses and deformations of the dynamo wrench https://quickfield.com/demo/dynamo-wrench.mp4 2023-04-04 no https://quickfield.com/advanced/earthing_grid_resistance.htm0.5 https://quickfield.com/advanced/einzel_lens.htm0.5 https://quickfield.com/advanced/elec1.htm0.5https://quickfield.com/demo/microstrip-line.jpg Microstrip transmission line capacitance Calculation of the capacitance of the transmission line https://quickfield.com/demo/microstrip-line.mp4 2014-04-24 no https://quickfield.com/advanced/elec2.htm0.5 https://quickfield.com/advanced/elec3.htm0.5https://quickfield.com/demo/elec3.jpg Cylindrical deflector analyzer Cylindrical deflector analyzer simulation, performed with QuickField software. Calculate the beam focus point coordinates https://quickfield.com/demo/elec3.mp4 2015-09-24 no https://quickfield.com/advanced/electric_shunt.htm0.5https://quickfield.com/demo/shunt_.jpg Electric shunt Calculation of the electric current in the electric shunt https://quickfield.com/demo/shunt_.mp4 2017-02-24 no https://quickfield.com/advanced/electrical_resistivity_tomography.htm0.5 https://quickfield.com/advanced/electro-pulse_therapy.htm0.5 https://quickfield.com/advanced/electrodes_field_profile.htm0.5 https://quickfield.com/advanced/electrolytic_temperature.htm0.5https://quickfield.com/demo/electrolytic_temperature.jpg Electrolytic capacitor heating Electrolytic capacitor operates at DC voltage. The voltage ripple causes the ripple current that heats up the capacitor. https://quickfield.com/demo/electrolytic_temperature.mp4 2014-12-10 no https://quickfield.com/advanced/electromagnetic_clutch.htm0.5https://quickfield.com/demo/electromagnetic_clutch.jpg Electromagnetic clutch Electromagnetic clutch consists of an electromagnet, a steel disc rotor and non-magnetic insert between them. https://quickfield.com/demo/electromagnetic_clutch.mp4 2021-01-25 no https://quickfield.com/advanced/electromagnetic_plunger.htm0.5https://quickfield.com/demo/electromagnetic_plunger.jpg Electromagnetic plunger Electromagnetic plunger works on AC current and consists of the coil with moveable core. Core position is controlled by the external spring. https://quickfield.com/demo/electromagnetic_plunger.mp4 2021-01-25 no https://quickfield.com/advanced/electromagnetic_well_logging.htm0.5https://quickfield.com/demo/claycomb_earth_well.jpg Electromagnetic well logging Excitation and receiver coils are translated through a borehole passing through geological formations with different conductivity https://quickfield.com/demo/claycomb_earth_well.mp4 2011-02-24 no https://quickfield.com/advanced/electronic_device_radiator.htm0.5 https://quickfield.com/advanced/electroporation.htm0.5https://quickfield.com/advanced/electroporation.gif Skin fold in the transient electric field Simulate the transient electric field stress and current distribution in the fold of the skin. https://quickfield.com/demo/webinar_golberg_simulation.mp4 2014-04-08 no https://quickfield.com/advanced/electroporation_biopsy.htm0.5 https://quickfield.com/advanced/electroporation_temperature.htm0.5 https://quickfield.com/advanced/electropermanent_magnet_relay.htm0.5https://quickfield.com/demo/electropermanent_magnet_relay.jpg Electropermanent magnet relay A relay of conventional design develops a pull-in force for any polarity current. By adding a permanent magnet to the structure, a polarized relay is obtained. https://quickfield.com/demo/electropermanent_magnet_relay.mp4 2021-01-25 no https://quickfield.com/advanced/electrospinning.htm0.5 https://quickfield.com/advanced/electrostatic_speaker.htm0.5https://quickfield.com/demo/electrostatic_speaker.jpg Electrostatic loudspeaker Electrostatic speaker consists of a pair of stator plates connected to the audio amplifier and a metallized diaphragm connected to a high voltage source. https://quickfield.com/demo/electrostatic_speaker.mp4 2022-02-25 no https://quickfield.com/advanced/end_winding_insulation.htm0.5https://quickfield.com/demo/end_winding_insulation.jpg End winding insulation The insulation material at the winding ends is often subjected to higher voltages than other parts of the winding. https://quickfield.com/demo/end_winding_insulation.mp4 2020-09-24 no https://quickfield.com/advanced/en1992-1-2_2004.htm0.5https://quickfield.com/demo/en1992-1-2_2004.jpg EN 1992-1-2:2004. Structural fire design A concrete slab is exposed to a standard fire (ISO 834) https://quickfield.com/demo/en1992-1-2_2004.mp4 2023-09-20 no https://quickfield.com/advanced/equivalent_airgap.htm0.5 https://quickfield.com/advanced/faraday_cage.htm0.5https://quickfield.com/demo/faraday_cage.jpg Faraday cage Calculate the electric field stress distribution under the Faraday cage and compare the electric stress at the height 2 m with the safe level 10 kV/m https://quickfield.com/demo/faraday_cage.mp4 2020-10-23 no https://quickfield.com/advanced/faraday_law.htm0.5https://quickfield.com/demo/faradays_law_.jpg Faraday's law of electromagnetic induction This example demonstrates the appearance of a current in a closed coil when a permanent magnet is moved into the coil. https://quickfield.com/demo/faradays_law_.mp4 2018-11-15 no https://quickfield.com/advanced/fault_current_controller.htm0.5https://quickfield.com/demo/fault_current_controller.jpg Fault current controller DC current running through the superconducting coil saturates the cores. The field of the fault current opposes the DC flux and drives the core out of saturation. Unsaturated core presents a higher impedance to the fault current which limits its magnitude. Fault current controller consists of 2 cores and 2 AC windings. During the positive half-wave of AC current the left winding creates the flux opposing the DC flux, during the negative half-wave of AC current the right winding creates the flux opposing the DC flux. https://quickfield.com/demo/fault_current_controller.mp4 2013-01-21 no https://quickfield.com/advanced/fault_current_limiter.htm0.5https://quickfield.com/demo/fault_current_limiter.jpg Superconducting fault current limiter An inductive superconducting current limiter utilizes the fact that a superconductor becomes a normal conductor at some critical value of magnetic flux density. Below the critical value the superconductor effectively screens the core thus reduces the winding inductance. When the fault occurs, the current increases many times, and its magnetic field causes the superconductor to come to a normal state. https://quickfield.com/demo/fault_current_limiter.mp4 2013-01-21 no https://quickfield.com/advanced/fault_current_limiter_transients.htm0.5https://quickfield.com/demo/fault_current_limiter_transients.jpg Fault current limiter transients An inductive superconducting current limiter utilizes the fact that a superconductor becomes a normal conductor at some critical value of magnetic flux density. Below the critical value the superconductor effectively screens the core thus reduces the winding inductance. When the fault occurs, the current increases many times, and its magnetic field causes the superconductor to come to a normal state. https://quickfield.com/demo/fault_current_limiter_transients.mp4 2013-01-21 no https://quickfield.com/advanced/fe_core_coil_ltspice.htm0.5 https://quickfield.com/advanced/ferromagnetic_particle_force.htm0.5 https://quickfield.com/advanced/ficks_law.htm0.5https://quickfield.com/demo/ficks_laws.jpg Fick's laws of diffusion To simulate the diffusion process the heat transfer problem is calculated. https://quickfield.com/demo/ficks_laws.mp4 2019-04-25 no https://quickfield.com/advanced/film_heater.htm0.5https://quickfield.com/demo/film_heater.jpg Planar film heater Electric current is passing through the contact electrode to the thin film heater. Calculate the heater power and the glass temperature. https://quickfield.com/demo/film_heater.mp4 2024-01-19 no https://quickfield.com/advanced/flat_cable_crosstalk.htm0.5 https://quickfield.com/advanced/flyback_transformer_emc.htm0.5https://quickfield.com/demo/flyback_transformer_emc.jpg Flyback transformer EMC Flyback transformer is a source of high frequency electromagnetic interference. Calculate the magnetic field distribution around flyback transformer during operation cycle. https://quickfield.com/demo/flyback_transformer_emc.mp4 2014-08-24 no https://quickfield.com/advanced/four-probe_sheet_resistance.htm0.5 https://quickfield.com/advanced/fourier_law.htm0.5https://quickfield.com/demo/fouriers_law.jpg Thermal conduction Fourier's law Determine the heat flux passing through the flat wall and compare with the analytic solution. https://quickfield.com/demo/fouriers_law.mp4 2019-04-25 no https://quickfield.com/advanced/fridge_magnet.htm0.5https://quickfield.com/demo/fridge_magnet.jpg Fridge magnet Calculate the magnetic field distribution around Fridge magnet. https://quickfield.com/demo/fridge_magnet.mp4 2016-02-24 no https://quickfield.com/advanced/fuse_current_limiter.htm0.5https://quickfield.com/demo/fuse_current_limiter_dc.jpg Fuse current limiter current distribution DC conduction electric problem is simulated to compute current density and losses in the elements. https://quickfield.com/demo/fuse_current_limiter_dc.mp4 2020-04-17 no https://quickfield.com/advanced/fuse_current_limiter.png Fuse current limiter temperature distribution Heat transfer problem is simulated to compute fuse temperature https://quickfield.com/demo/fuse_current_limiter_ht.mp4 2020-04-17 no https://quickfield.com/advanced/gear_wheel_shrink_fit.htm0.5 https://quickfield.com/advanced/glass_electric_heater.htm0.5https://quickfield.com/demo/glass_electric_heater.jpg Electric heating film for glass Calculation of the heating film power. https://quickfield.com/demo/glass_electric_heater.mp4 2024-01-19 no https://quickfield.com/advanced/glass_film_heater.htm0.5https://quickfield.com/demo/glass_film_heater.jpg Glass film heater Electric film heater is used to heat up the window glass. Calculate the glass temperature as a function of the heater power. https://quickfield.com/demo/glass_film_heater.mp4 2024-01-19 no https://quickfield.com/advanced/glass_melter_reistance.htm0.5 https://quickfield.com/advanced/grading_ring.htm0.5https://quickfield.com/demo/grading_ring.jpg Grading ring Find the position of the corona ring, providing a linear distribution of potential along the surface of the insulator. https://quickfield.com/demo/grading_ring.mp4 2020-10-23 no https://quickfield.com/advanced/grid_electrodes.htm0.5 https://quickfield.com/advanced/ground-connector.htm0.5https://quickfield.com/demo/ground-connector.jpg Ground connector Simulation of the ground connector and calculation of its resistance https://quickfield.com/demo/ground-connector.mp4 2023-04-04 no https://quickfield.com/advanced/halbach_array.htm0.5https://quickfield.com/demo/halbach_array.jpg Halbach array Calculate the magnetic field distribution. This is an example problem analysis performed with QuickField software https://quickfield.com/demo/halbach_array.mp4 2022-12-16 no https://quickfield.com/advanced/halbach_rotor_generator.htm0.5https://quickfield.com/demo/halbach_rotor_generator.jpg Halbach array generator voltage The Halbach array is a special arrangement of permanent magnets that increases the magnetic field on one side of the assembly while cancelling it to near zero on the other side. https://quickfield.com/demo/halbach_rotor_generator.mp4 2023-01-25 no https://quickfield.com/advanced/harmonic_browser_saw.htm0.5https://quickfield.com/demo/harmonic_browser_saw.jpg Harmonic analysis of a saw function This example demonstrates the accuracy of the harmonic browser (included in QuickField package) https://quickfield.com/demo/harmonic_browser_saw.mp4 2015-12-24 no https://quickfield.com/advanced/heat_exchange.htm0.5https://quickfield.com/demo/heat_exchange.jpg Equilibrium temperature Hot steel sphere is submerged into a bucket of cold water. Calculate the equilibrium temperature. https://quickfield.com/demo/heat_exchange.mp4 2023-09-20 no https://quickfield.com/advanced/heat_sink.htm0.5 https://quickfield.com/advanced/heat1.htm0.5https://quickfield.com/demo/heat1.jpg Slot of an electric machine Calculate temperature distribution in the stator tooth zone of an electric machine. https://quickfield.com/demo/heat1.mp4 2022-07-25 no https://quickfield.com/advanced/heat2.htm0.5https://quickfield.com/demo/heat2.jpg Cylinder with temperature dependent conductivity Determination of the temperature distribution in the cylinder https://quickfield.com/demo/heat2.mp4 2015-12-24 no https://quickfield.com/advanced/heat3.htm0.5https://quickfield.com/advanced/heat3__simulation_result.gif Multi-layer coated pipe Analysis of the heat flux at the internal diameter and calculation of the overall heat transfer coefficient (OHTC) of the system https://quickfield.com/demo/heat3.mp4 2015-09-24 no https://quickfield.com/advanced/high_frequency_line_trap.htm0.5https://quickfield.com/demo/high_frequency_line_trap.jpg High frequency line trap An example of the calculation of the forces and mechanical stresses for the high-frequency line trap at the short circuit current. https://quickfield.com/demo/high_frequency_line_trap.mp4 2020-10-23 no https://quickfield.com/advanced/high_voltage_bushing.htm0.5 https://quickfield.com/advanced/high_voltage_cable_ampacity.htm0.5https://quickfield.com/demo/qf631_ampacity_ac.jpg High voltage three phase cable ampacity. Magnetic analysis High voltage 3-phase cable laid in trefoil formation underground. Determine the losses and temperature distribution. https://quickfield.com/demo/qf631_ampacity_ac.mp4 2018-03-07 no https://quickfield.com/demo/qf631_ampacity_ht.jpg High voltage three phase cable ampacity. Thermal analysis High voltage 3-phase cable laid in trefoil formation underground. Determine the losses and temperature distribution. https://quickfield.com/demo/qf631_ampacity_ht.mp4 2018-03-07 no https://quickfield.com/advanced/high_voltage_interrupter.htm0.5https://quickfield.com/demo/high_voltage_interrupter.jpg Potential transformer electric stress Metal shields between the ceramic blocks of the interrupter body protect the ceramic from the metal vapor deposition during the arcing process. But they also influence the electric field distribution and may decrease the dielectric strength of the device. So a detailed analysis of the electric field is required. https://quickfield.com/demo/high_voltage_interrupter.mp4 2023-11-22 no https://quickfield.com/advanced/helmholtz_coil.htm0.5https://quickfield.com/demo/helmholtz_coil.jpg Helmholtz coil Calculate the flux density distribution within the Helmholtz coil. Find the area of uniform field. Compare with analytical approximation. https://quickfield.com/demo/helmholtz_coil.mp4 2014-06-24 no https://quickfield.com/advanced/hmagn1.htm0.5https://quickfield.com/demo/hmagn1.jpg Symmetric double line of conductors Determination of the current distribution within the conductor and complex impedance of the conductor https://quickfield.com/demo/hmagn1.mp4 2022-06-16 no https://quickfield.com/advanced/hmagn2.htm0.5 https://quickfield.com/advanced/hmagn3.htm0.5 https://quickfield.com/advanced/hmagn4.htm0.5https://quickfield.com/demo/hmagn4.jpg Coil with ferromagnetic core Sinusoidal voltage is applied to the electric coil with ferromagnetic core. Determine the electric current within the coil winding. https://quickfield.com/demo/hmagn4.mp4 2022-09-05 no https://quickfield.com/advanced/hmagn5_induction_pump.htm0.5https://quickfield.com/demo/induction_pump.jpg Induction pump In the inductive pump the alternating magnetic field induces eddy currents in the liquid metal. Interaction between the magnetic field and the currents generate the force which moves the metal through the pipe. https://quickfield.com/demo/induction_pump.mp4 2021-02-25 no https://quickfield.com/advanced/horizontal_plate_convection.htm0.5 https://quickfield.com/advanced/hot_water_radiator.htm0.5 https://quickfield.com/advanced/hv_capacitor.htm0.5 https://quickfield.com/advanced/inclined_plate_convection.htm0.5 https://quickfield.com/advanced/index.htm0.5 https://quickfield.com/advanced/induction_cooker.htm0.5 https://quickfield.com/advanced/induction_heating_permeability.htm0.5https://quickfield.com/demo/slab_heating.jpg Induction heating of the material with temperature dependent properties A steel billet is heated in the inductor. Electromagnetic and thermal properties of the billet are highly dependent on the temperature. QuickField simulation of the electromagnetic and thermal processes is performed using the specially developed script which automates the multiphysics coupling with temperature-adjusted material properties. https://quickfield.com/demo/induction_heating_permeability.mp4 2024-09-19 no https://quickfield.com/advanced/induction_motor.htm0.5https://quickfield.com/demo/induction_motor.jpg Induction motor Three phase induction motor torque vs speed https://quickfield.com/demo/induction_motor.mp4 2022-07-25 no https://quickfield.com/advanced/induction_motor_analysis.htm0.5 https://quickfield.com/advanced/inductive_current_limiter.htm0.5https://quickfield.com/demo/inductive_current_limiter.jpg Inductive fault current limiter An inductive superconducting current limiter utilizes the fact that a superconductor becomes a normal conductor at some critical value of magnetic flux density. Below the critical value the superconductor effectively screens the secondary winding. When the fault occurs, the current increases many times and its magnetic field causes the superconductor to come to a normal state. https://quickfield.com/demo/inductive_current_limiter.mp4 2013-01-21 no https://quickfield.com/advanced/inductive_sensor.htm0.5 https://quickfield.com/advanced/inductive_touch_button.htm0.5https://quickfield.com/demo/inductive_touch_button.jpg Inductive touch button The touch button consists of the energized coil on a PCB and a metal foil. When the button is pressed the metal foil bends towards the coil. Eddy currents in the foil cause a change in the coil inductance value, which could be detected. https://quickfield.com/demo/inductive_touch_button.mp4 2022-11-10 no https://quickfield.com/advanced/inductively_heated_ceramic.htm0.5 https://quickfield.com/advanced/inductor_inrush_current.htm0.5https://quickfield.com/demo/inductor_inrush_current.jpg Inductor inrush current stress AC voltage source is connected to the inductor. Calculate the peak current value and mechanical stress in the inductor winding. https://quickfield.com/demo/inductor_inrush_current.mp4 2020-08-03 no https://quickfield.com/advanced/inkjet_droplet_deflection.htm0.5 https://quickfield.com/advanced/insulated_pipe_outlet.htm0.5 https://quickfield.com/advanced/insulator.htm0.5https://quickfield.com/demo/insulator.jpg Disc insulator leakage current Calculate the thermal effect of the leakage currents in the insulator. https://quickfield.com/demo/insulator.mp4 2014-10-24 no https://quickfield.com/advanced/interdigital_capacitor.htm0.5 https://quickfield.com/advanced/intersecting_planes_corner.htm0.5 https://quickfield.com/advanced/iron_sphere_shielding.htm0.5https://quickfield.com/demo/iron_sphere_shielding.jpg Iron sphere AC magnetic field shielding This is an example of the iron sphere shielding simulation performed with the QuickField software. https://quickfield.com/demo/iron_sphere_shielding.mp4 2011-06-14 no https://quickfield.com/advanced/isokorsis_pipe_system.htm0.5 https://quickfield.com/advanced/iso_10211_2007_case1.htm0.5https://quickfield.com/demo/iso_10211_2007_case1.jpg Thermal bridges in building construction. Test case A.1 validation ISO 10211:2007 Thermal bridges in building construction -- Heat flows and surface temperatures -- Detailed calculations. Test case A.1 validation. https://quickfield.com/demo/iso_10211_2007_case1.mp4 2016-03-24 no https://quickfield.com/advanced/iso_10211_2007_case2.htm0.5https://quickfield.com/demo/iso_10211_2007_case2.jpg ISO 10211:2007 Thermal bridges in building construction. Test case A.2 validation ISO 10211:2007 Thermal bridges in building construction -- Heat flows and surface temperatures -- Detailed calculations. Test case A.2 validation. https://quickfield.com/demo/iso_10211_2007_case2.mp4 2016-05-24 no https://quickfield.com/advanced/iso_10211_2007_case3.htm0.5https://quickfield.com/demo/iso_10211_2007_case3.jpg ISO 10211:2007 Thermal bridges in building construction. Test case A.3 validation ISO 10211:2007 Thermal bridges in building construction -- Heat flows and surface temperatures -- Detailed calculations. Test case A.3 validation. https://quickfield.com/demo/iso_10211_2007_case3.mp4 2016-09-24 no https://quickfield.com/advanced/iso_10211_2007_case4.htm0.5 https://quickfield.com/advanced/iso_10077_case_d1.htm0.5https://quickfield.com/demo/iso10077_2012_d1.jpg ISO 10077-2:2012. D.1. Aluminium frame section with thermal break and insulation panel EN ISO 10077-2:2012 Thermal performance of windows, doors and shutters - Calculation of thermal transmittance. Numerical method for frames. Test case D.1 validation. https://quickfield.com/demo/iso10077_2012_d1.mp4 2016-05-24 no https://quickfield.com/advanced/iso_10077_case_d2.htm0.5https://quickfield.com/demo/iso_10077_case_d2.jpg ISO 10077-2:2012. D.2. Aluminium clad wood frame section and insulation panel EN ISO 10077-2:2012 Thermal performance of windows, doors and shutters - Calculation of thermal transmittance. Numerical method for frames. Test case D.2 validation. https://quickfield.com/demo/iso_10077_case_d2.mp4 2016-05-24 no https://quickfield.com/advanced/iso_10077_case_d3.htm0.5https://quickfield.com/demo/iso_10077_case_d3_.jpg ISO 10077-2:2012. D.3. PVC frame section with steel reinforcement and insulation panel EN ISO 10077-2:2012 Thermal performance of windows, doors and shutters - Calculation of thermal transmittance. Numerical method for frames. Test case D.3 validation. https://quickfield.com/demo/iso_10077_case_d3_.mp4 2016-05-24 no https://quickfield.com/advanced/iso_10077_case_d4.htm0.5https://quickfield.com/demo/iso_10077_case_d4_.jpg ISO 10077-2:2012. D.4. Wood frame section and insulation panel EN ISO 10077-2:2012 Thermal performance of windows, doors and shutters - Calculation of thermal transmittance. Numerical method for frames. Test case D.4 validation. https://quickfield.com/demo/iso_10077_case_d4_.mp4 2016-05-24 no https://quickfield.com/advanced/iso_10077_case_d5.htm0.5https://quickfield.com/demo/iso_10077_case_d5_.jpg ISO 10077-2:2012. D.5. Roof window frame section and insulation panel EN ISO 10077-2:2012 Thermal performance of windows, doors and shutters - Calculation of thermal transmittance. Numerical method for frames. Test case D.5 validation. https://quickfield.com/demo/iso_10077_case_d5_.mp4 2016-05-24 no https://quickfield.com/advanced/iso_10077_case_d6.htm0.5https://quickfield.com/demo/iso_10077_case_d6_.jpg ISO 10077-2:2012. D.6. Sliding window frame section and insulation panel EN ISO 10077-2:2012 Thermal performance of windows, doors and shutters - Calculation of thermal transmittance. Numerical method for frames. Test case D.6 validation. https://quickfield.com/demo/iso_10077_case_d6_.mp4 2016-05-24 no https://quickfield.com/advanced/iso_10077_case_d7.htm0.5https://quickfield.com/demo/iso_10077_case_d7_.jpg ISO 10077-2:2012. D.7. Fixed frame section and insulation panel EN ISO 10077-2:2012 Thermal performance of windows, doors and shutters - Calculation of thermal transmittance. Numerical method for frames. Test case D.7 validation. https://quickfield.com/demo/iso_10077_case_d7_.mp4 2016-05-24 no https://quickfield.com/advanced/iso_10077_case_d8.htm0.5https://quickfield.com/demo/iso_10077_case_d8_.jpg ISO 10077-2:2012. D.8. Roller shutter box EN ISO 10077-2:2012 Thermal performance of windows, doors and shutters - Calculation of thermal transmittance. Numerical method for frames. Test case D.8 validation. https://quickfield.com/demo/iso_10077_case_d8_.mp4 2016-05-24 no https://quickfield.com/advanced/iso_10077_case_d9.htm0.5https://quickfield.com/demo/iso_10077_case_d9_.jpg ISO 10077-2:2012. D.9. PVC shutter profile EN ISO 10077-2:2012 Thermal performance of windows, doors and shutters - Calculation of thermal transmittance. Numerical method for frames. Test case D.9 validation. https://quickfield.com/demo/iso_10077_case_d9_.mp4 2016-05-24 no https://quickfield.com/advanced/iso_10077_case_d10.htm0.5https://quickfield.com/demo/iso_10077_case_d10_.jpg ISO 10077-2:2012. D.10. Wood frame section with glazing EN ISO 10077-2:2012 Thermal performance of windows, doors and shutters - Calculation of thermal transmittance. Numerical method for frames. Test case D.10 validation. https://quickfield.com/demo/iso_10077_case_d10_.mp4 2016-05-24 no https://quickfield.com/advanced/iso_13786_2007_case_d1.htm0.5https://quickfield.com/demo/iso_13786_2017_case_d1.jpg ISO 13786-2017. Periodic thermal transmittance A homogenious concrete wall is subject to periodic temperature conditions. https://quickfield.com/demo/iso_13786_2017_case_d1.mp4 2022-09-05 no https://quickfield.com/advanced/iso_11855_2015_case_1.htm0.5 https://quickfield.com/advanced/joule-lenz_law.htm0.5https://quickfield.com/demo/joule-lenz_law.jpg Joule-Lenz law This verification example compares the current and the Joule heat generated in conductor calculated by the Ohm's law and Joule's law, and calculated in QuickField https://quickfield.com/demo/joule-lenz_law.mp4 2019-04-25 no https://quickfield.com/advanced/labelmover_api.htm0.5 https://quickfield.com/advanced/laminated_busbars.htm0.5 https://quickfield.com/advanced/laminated_core_iron_loss.htm0.5https://quickfield.com/demo/laminated_core_iron_loss.jpg Laminated iron core losses Calculate core loss in no-load mode of transformer https://quickfield.com/demo/laminated_core_iron_loss.mp4 2016-09-24 no https://quickfield.com/advanced/lead-acid_battery.htm0.5 https://quickfield.com/advanced/led_temperature.htm0.5 https://quickfield.com/advanced/line_to_line_short.htm0.5https://quickfield.com/demo/line_to_line_short.jpg Line-to-line short circuit Determination of the transient currents and electromagnetic forces after a short circuit occurred https://quickfield.com/demo/line_to_line_short.mp4 2014-10-24 no https://quickfield.com/advanced/linear_induction_motor.htm0.5 https://quickfield.com/advanced/linear_particle_accelerator.htm0.5https://quickfield.com/demo/linear_particle_accelerator.jpg Linear particle accelerator (linac) Linear particle accelerator (linac) is used to accelerate charged particles. https://quickfield.com/demo/linear_particle_accelerator.mp4 2014-06-24 no https://quickfield.com/advanced/lim_hyperloop.htm0.5 https://quickfield.com/advanced/lim_pwm.htm0.5 https://quickfield.com/advanced/litz_wire.htm0.5https://quickfield.com/demo/litz_wire.jpg Litz wire losses Calculate electric losses in the litz wire inductor https://quickfield.com/demo/litz_wire.mp4 2020-09-25 no https://quickfield.com/advanced/long_solenoid_inductance.htm0.5https://quickfield.com/demo/long_solenoid_inductance.jpg Long solenoid inductance Calculation of the inductance of the long solenoid https://quickfield.com/demo/long_solenoid_inductance.mp4 2012-06-24 no https://quickfield.com/advanced/loudspeaker.htm0.5https://quickfield.com/demo/dynamic_loudspeaker.jpg Loudspeaker Calculate inductance of the loudspeaker coil. This is an example problem analysis performed with QuickField software https://quickfield.com/demo/dynamic_loudspeaker.mp4 2022-02-25 no https://quickfield.com/advanced/magn1.htm0.5https://quickfield.com/demo/magn1.jpg Nonlinear permanent magnet A simulation of permanent magnet and a steel keeper in the air, performed with QuickField software. https://quickfield.com/demo/magn1.mp4 2022-12-16 no https://quickfield.com/advanced/magn2.htm0.5https://quickfield.com/demo/magn2.jpg Solenoid actuator force A solenoid actuator is an example of electromechanical transducer, which transforms an input electric signal into a motion. Solenoid actuator, considered here, consists of a coil enclosed into a ferromagnetic core with a moving part - plunger inside. Actuator design requires calculation of the magnetic field and a force, applied to the plunger. https://quickfield.com/demo/magn2.mp4 2022-12-16 no https://quickfield.com/advanced/magn3.htm0.5https://quickfield.com/demo/magn3.jpg Ferromagnetic C-magnet A permanent C-magnet in the air. The example demonstrates how to model curved permanent magnet. https://quickfield.com/demo/magn3.mp4 2018-11-15 no https://quickfield.com/advanced/magn4.htm0.5https://quickfield.com/demo/magn4.jpg Brushless DC motor A brushless DC motor with permanent magnets and three phase coil excitation. https://quickfield.com/demo/magn4.mp4 2018-11-15 no https://quickfield.com/advanced/magn5.htm0.5https://quickfield.com/demo/magn5.jpg Armature winding inductance This example demonstrates how to calculate the inductance of a single stator phase coil in a permanent magnet synchronous motor. https://quickfield.com/demo/magn5.mp4 2022-12-16 no https://quickfield.com/advanced/magnetic_axial_bearing.htm0.5https://quickfield.com/demo/magnetic_axial_bearing.jpg Magnetic axial bearing Passive magnetic bearing provides radial and axial positioning of a shaft. Calculation of the magnetic force acting between bearing rings as a function of rings mutual displacement https://quickfield.com/demo/magnetic_axial_bearing.mp4 2016-10-24 no https://quickfield.com/advanced/magnetic_fault_current_limiter.htm0.5https://quickfield.com/demo/magnetic_fault_current_limiter.jpg Superconducting fault current limiter. Single coil with ferrite core An inductive superconducting current limiter utilizes the fact that a superconductor becomes a normal conductor at some critical value of magnetic flux density. Below the critical value the superconductor effectively screens the core thus reduces the winding inductance. When the fault occurs, the current increases many times, and its magnetic field causes the superconductor to come to a normal state. https://quickfield.com/demo/magnetic_fault_current_limiter.mp4 2013-01-21 no https://quickfield.com/advanced/magnetic_lense.htm0.5https://quickfield.com/demo/magnetic_lense.jpg Magnetic lens Magnetic lens is used for electron beams focusing. https://quickfield.com/demo/magnetic_lense.mp4 2014-06-24 no https://quickfield.com/advanced/magnetic_pickup.htm0.5https://quickfield.com/demo/magnetic_pickup.jpg Magnetic pickup sensor Permanent magnet produces a magnetic flux, and the oscillating ferromagnetic string affects the flux distribution. Flux variation could be detected by the coil. We do not include the coil in the model and calculate the flux directly in QuickField. https://quickfield.com/demo/magnetic_pickup.mp4 2013-11-05 no https://quickfield.com/advanced/magnetic_pickup_focused.htm0.5https://quickfield.com/demo/magnetic_pickup_focused.jpg Magnetic pickup sensor Permanent magnet produces a magnetic flux, and the oscillating ferromagnetic a string affects the flux distribution. Flux variation could be detected by the coil. We do not include the coil in the model and calculate the flux directly in QuickField. https://quickfield.com/demo/magnetic_pickup_focused.mp4 2013-11-05 no https://quickfield.com/advanced/magnetostatic_speaker.htm0.5https://quickfield.com/demo/magnetostatic_speaker.jpg Magnetostatic speaker Magnetostatic speaker consists of a set of permanent magnets and a planar diaphragm. Aluminum strips carrying current are attached to the diaphragm. https://quickfield.com/demo/magnetostatic_speaker.mp4 2022-02-25 no https://quickfield.com/advanced/magnetron_sputtering.htm0.5 https://quickfield.com/advanced/magweb_test.htm0.5 https://quickfield.com/advanced/maxwell_coils.htm0.5 https://quickfield.com/advanced/mems_thermal_actuator.htm0.5https://quickfield.com/demo/mems_thermal_actuator_1.jpg MEMS thermal actuator The MEMS thermal actuator is made of polysilicon. Calculate electric current and Joule heat losses distribution, temperature and linear mechanical displacement. https://quickfield.com/demo/mems_thermal_actuator_1.mp4 2017-12-04 no https://quickfield.com/advanced/mems_stress_sensor.htm0.5https://quickfield.com/demo/mems_stress_sensor_1.jpg MEMS stress sensor simulation Part 1/4. Calculation of deformed shape using QuickField Stress Analysis module. https://quickfield.com/demo/mems_stress_sensor_1.mp4 2017-12-04 no https://quickfield.com/demo/mems_stress_sensor_2.png MEMS stress sensor simulation Part 2/4. Translation of the deformed shape to the geometry model using the StressDeform tool https://quickfield.com/demo/mems_stress_sensor_2.mp4 2017-12-04 no https://quickfield.com/demo/mems_stress_sensor_3.png MEMS stress sensor simulation Part 3/4. Initial capacitance calculation using Electrostatics module. https://quickfield.com/demo/mems_stress_sensor_3.mp4 2017-12-04 no https://quickfield.com/demo/mems_stress_sensor_4.png MEMS stress sensor simulation Part 4/4. Deformed state capacitance calculation https://quickfield.com/demo/mems_stress_sensor_4.mp4 2017-12-04 no https://quickfield.com/advanced/metal_sphere_charging.htm0.5 https://quickfield.com/advanced/microstrip_crossover.htm0.5https://quickfield.com/demo/microstrip_crossover_960x720.jpg Microstrip crossover Crossovers in the digital circuit design cause parasitic capacitance, resulting in high frequency cross talk. https://quickfield.com/demo/microstrip_crossover_960x720.mp4 2013-10-24 no https://quickfield.com/advanced/microstrip-line.htm0.5https://quickfield.com/demo/microstrip-line.jpg PCB microstrip line capacitance Determination of the capacitance of the microstrip transmission line https://quickfield.com/demo/microstrip-line.mp4 2023-04-03 no https://quickfield.com/advanced/microstrip_dielectric_losses.htm0.5https://quickfield.com/demo/pcb_losses_g.jpg PCB dielectric losses Printed circuit board microstrip dielectric tangent delta losses calculated using effective dielectric conductivity https://quickfield.com/demo/pcb_losses_g.mp4 2016-05-05 no https://quickfield.com/advanced/microstrip_differential_impedance.htm0.5https://quickfield.com/demo/pcb_impedance_zdiff_capacitance.jpg PCB microstrip differential capacitance Printed circuit board odd mode mutual capacitance. https://quickfield.com/demo/pcb_impedance_zdiff_capacitance.mp4 2016-05-05 no https://quickfield.com/demo/pcb_impedance_zdiff_inductance.png PCB microstrip differential inductance Printed circuit board odd mode mutual inductance. https://quickfield.com/demo/pcb_impedance_zdiff_inductance.mp4 2016-05-05 no https://quickfield.com/advanced/microstrip_resistive_losses.htm0.5https://quickfield.com/demo/pcb_losses_r.jpg PCB microstrip resistive losses Printed circuit board microstrip resistivity losses https://quickfield.com/demo/pcb_losses_r.mp4 2016-05-05 no https://quickfield.com/advanced/microstrip_self_impedance.htm0.5https://quickfield.com/demo/pcb_impedance_z0_capacitance.jpg PCB microstrip self-capacitance Printed circuit board even mode capacitance. https://quickfield.com/demo/pcb_impedance_z0_capacitance.mp4 2016-05-05 no https://quickfield.com/demo/pcb_impedance_z0_inductance.jpg PCB microstrip self inductance Printed circuit board even mode inductance. https://quickfield.com/demo/pcb_impedance_z0_inductance.mp4 2016-05-05 no https://quickfield.com/advanced/microstrip_transmission_line.htm0.5 https://quickfield.com/advanced/mu-metal_shielding.htm0.5https://quickfield.com/demo/mu-metal_cylinder_shielding.jpg Mu-metal cylinder shield for the static magnetic field shielding This is an example of the mu-metal cylinder shielding simulation, performed with QuickField software. https://quickfield.com/demo/mu-metal_cylinder_shielding.mp4 2011-06-14 no https://quickfield.com/advanced/mushroom_electrodes.htm0.5https://quickfield.com/demo/3d_model_solidedge.jpg Mushroom electrodes 3D electrostatic analysis shows the electric field distribution around the mushroom shaped electrodes. https://quickfield.com/demo/3d_model_solidedge.mp4 2015-05-24 no https://quickfield.com/advanced/mutual_resistance.htm0.5 https://quickfield.com/advanced/ndt_pipe_inspection.htm0.5https://quickfield.com/demo/ndt_pipe_inspection.jpg Circular eddy current coils surrounding a pipe containing a flaw As an example of eddy current nondestructive testing we simulate the eddy currents induced in a section of pipe containing defects. https://quickfield.com/demo/ndt_pipe_inspection.mp4 2010-10-12 no https://quickfield.com/advanced/needle-plane_electrodes.htm0.5 https://quickfield.com/advanced/nelvac.htm0.2 https://quickfield.com/advanced/nmrprobe.htm0.5 https://quickfield.com/advanced/non-concentric_spheres_capacitance.htm0.5https://quickfield.com/demo/ness_two_spheres.jpg Two spheres Determine the electric field stress distribution in the air gap between two spheres https://quickfield.com/demo/ness_two_spheres.mp4 2010-02-03 no https://quickfield.com/demo/sphere_to_sphere_3d.jpg Sphere to sphere capacitance 3D Mutual capacitance between two spheres https://quickfield.com/demo/sphere_to_sphere_3d.mp4 2020-07-02 no https://quickfield.com/advanced/one_turn_loop_inductance.htm0.5https://quickfield.com/demo/one_turn_loop.jpg One turn loop inductance Calculation of the one turn loop inductance. This is an example problem analysis performed with QuickField software https://quickfield.com/demo/one_turn_loop.mp4 2014-06-24 no https://quickfield.com/advanced/optical_cable.htm0.5https://quickfield.com/demo/optical_cable.jpg Fiber-optic cable and electric transmission line Calculation of the most favorable fiber-optic cable position on the transmission line tower https://quickfield.com/demo/optical_cable.mp4 2014-10-24 no https://quickfield.com/advanced/ohm_law.htm0.5https://quickfield.com/demo/ohms_law.jpg Ohms law The example is devoted to the Ohm's law for an electric circuit in two versions: direct current and alternating current https://quickfield.com/demo/ohms_law.mp4 2019-04-25 no https://quickfield.com/advanced/optimization-benchmarks.htm0.5 https://quickfield.com/advanced/parallel_wires_capacitance.htm0.5https://quickfield.com/demo/parallel_wires_capacitance.jpg Parallel wires capacitance Finding the mutual capacitance between two infinitely long parallel wires. https://quickfield.com/demo/parallel_wires_capacitance.mp4 2012-04-24 no https://quickfield.com/advanced/particle_estat_plane.htm0.5 https://quickfield.com/advanced/particle_estat_axial.htm0.5https://quickfield.com/demo/particle_estat_axial.jpg Charged particle trajectory in the uniform static electric field. Case: cylindrical. Charged particle trajectory calculation in the electric field. https://quickfield.com/demo/particle_estat_axial.mp4 2014-06-24 no https://quickfield.com/advanced/particle_magn_plane.htm0.5https://quickfield.com/demo/particle_magn_plane.jpg Charged particle trajectory in the uniform static magnetic field. Case: plane-parallel. Charged particle trajectory calculation in the magnetic field. https://quickfield.com/demo/particle_magn_plane.mp4 2014-06-24 no https://quickfield.com/advanced/particle_magn_axial.htm0.5 https://quickfield.com/advanced/ohm_law.htm0.5https://quickfield.com/demo/ohms_law.jpg Ohms law The example is devoted to the Ohm's law for an electric circuit in two versions: direct current and alternating current https://quickfield.com/demo/ohms_law.mp4 2019-04-25 no https://quickfield.com/advanced/parallel_pm_cylinders_force.htm0.5 https://quickfield.com/advanced/parallel_wires_inductance.htm0.5https://quickfield.com/demo/parallel_wires_inductance.jpg Parallel wires inductance Calculation of inductance and comparison of the result with analytical solution https://quickfield.com/demo/parallel_wires_inductance.mp4 2012-01-24 no https://quickfield.com/advanced/parametric_analysis.htm0.5https://quickfield.com/demo/qlm_optimization_mp3_480.jpg Solenoid actuator parametric analysis Solenoid actuator study and optimization. This is an example problem analysis performed with QuickField software https://quickfield.com/demo/qlm_optimization_mp3_480.mp4 2010-08-24 no https://quickfield.com/advanced/pcb_hatched_ground_plane.htm0.5https://quickfield.com/demo/pcb_hatched_ground_plane.jpg PCB hatched ground plane electrical resistance DC current is flowing across the rectangular plane 180 mm x 100 mm between the electrodes welded to the diagonal corners. Calculate the electric resistance. https://quickfield.com/demo/pcb_hatched_ground_plane.mp4 2020-08-14 no https://quickfield.com/advanced/pcb-heating.htm0.5https://quickfield.com/demo/pcb-heating.jpg PCB ground plane heating The voltage is applied to the sides of conducting sheet (PCB) placed vertically and surrounded by the still air. The flowing current heats the sheet due to resistive losses. The front and back surfaces of the sheet are cooled by the air (natural convection). https://quickfield.com/demo/pcb-heating.mp4 2020-08-24 no https://quickfield.com/advanced/pcb_microphone.htm0.5https://quickfield.com/demo/pcb_microphone.jpg Microphone PCB thermal analysis Calculation of the PCB temperature. This is an example problem analysis performed with QuickField software https://quickfield.com/demo/pcb_microphone.mp4 2020-08-28 no https://quickfield.com/advanced/pcb_temperature.htm0.5https://quickfield.com/demo/pcb_temperature.jpg PCB temperature Calculation of the PCB temperature. This is an example problem analysis performed with QuickField software https://quickfield.com/demo/pcb_temperature.mp4 2016-09-24 no https://quickfield.com/advanced/pcb_microstrip_circuit.htm0.5https://quickfield.com/demo/pcb_equivalent_circuit.jpg PCB equivalent circuit Printed circuit board equivalent circuit parameters https://quickfield.com/demo/pcb_equivalent_circuit.mp4 2016-05-05 no https://quickfield.com/advanced/pcb_via_capacitance.htm0.5https://quickfield.com/demo/pcb_via_capacitance.jpg PCB via capacitance Calculate the printed circuit board via capacitance. https://quickfield.com/demo/pcb_via_capacitance.mp4 2020-08-17 no https://quickfield.com/advanced/penning_trap.htm0.5 https://quickfield.com/advanced/perio1.htm0.5 https://quickfield.com/advanced/perio2.htm0.5https://quickfield.com/demo/perio2.jpg Linear electric motor Linear electric motor. The motor consists of the stator with the three phase winding and a rotor. Rotor has a ferromagnetic part and a conducting layer. Our task is to calculate the force acting on the rotor and Joule heat losses in the conducting layer. https://quickfield.com/demo/perio2.mp4 2022-06-16 no https://quickfield.com/advanced/permeabilization.htm0.5 https://quickfield.com/advanced/permanent_magnet_force.htm0.5 https://quickfield.com/advanced/perpendicular_pm_cylinders_force.htm0.5 https://quickfield.com/advanced/planar_heater.htm0.5https://quickfield.com/demo/planar_heater.jpg Planar heater 3D The planar heater is placed between two layers of glass of irregular shape. The heater consists of a serpentine stripe carrying electric current. QuickField is used to calculate the temperature distribution in the glass. https://quickfield.com/demo/planar_heater.mp4 2024-01-19 no https://quickfield.com/advanced/plunger_electromagnet.htm0.5 https://quickfield.com/advanced/pm_gear_wheels.htm0.5https://quickfield.com/demo/pm_gear_wheels.jpg Permanent magnet gear wheels Determine the static torque as a function of magnetic wheels position. https://quickfield.com/demo/pm_gear_wheels.mp4 2021-01-25 no https://quickfield.com/advanced/pm_generator_winding_loss.htm0.5 https://quickfield.com/advanced/pole_shoe.htm0.5https://quickfield.com/demo/pole_shoe.jpg Pole shoe optimization A synchronous salient-pole generator is simulated. The influence of the pole shoe face shape on the flux density harmonics in the air gap is studied. https://quickfield.com/demo/pole_shoe.mp4 2023-01-25 no https://quickfield.com/advanced/pool_electrical_current.htm0.5 https://quickfield.com/advanced/potential_transformer.htm0.5https://quickfield.com/demo/potential_transformer.jpg Potential transformer electric stress Potential transformer or voltage transformer is an instrument transformer used to measure the high voltage. The primary high voltage winding has a large number of turns and features a special form factor to reduce the electric field stress. https://quickfield.com/demo/potential_transformer.mp4 2023-11-22 no https://quickfield.com/advanced/power_busses.htm0.5 https://quickfield.com/advanced/prepulse_switch.htm0.5 https://quickfield.com/advanced/quadrupole_charge.htm0.5 https://quickfield.com/advanced/receptacle.htm0.5 https://quickfield.com/advanced/relay_dynamics_with_libreoffice.htm0.5 https://quickfield.com/advanced/relay_dynamics_with_matlab.htm0.5 https://quickfield.com/advanced/relay_dynamics_with_microsoft_excel.htm0.5https://quickfield.com/demo/relay_excel.png Relay dynamics simulation using Microsoft Excel and QuickField API The electromagnetic and spring forces act on the plunger. Both forces depend on the plunger position. Calculate plunger motion function https://quickfield.com/demo/relay_excel.mp4 2014-06-24 no https://quickfield.com/advanced/relay_dynamics_with_perl.htm0.5 https://quickfield.com/advanced/relay_dynamics_with_perl_win.htm0.5 https://quickfield.com/advanced/relay_dynamics_with_php_win.htm0.5 https://quickfield.com/advanced/relay_dynamics_with_octave_win.htm0.5https://quickfield.com/demo/relay_dynamics_octave_1120x640.jpg Relay dynamics simulation using GNU Octave and ActiveField (QuickField Object Model) The electromagnetic and spring forces act on the plunger. Both forces depend on the plunger position. Calculate plunger motion function https://quickfield.com/demo/relay_dynamics_octave_1120x640.mp4 2017-10-02 no https://quickfield.com/advanced/relay_dynamics_with_python.htm0.5 https://quickfield.com/advanced/relay_dynamics_with_python_win.htm0.5 https://quickfield.com/advanced/relay_dynamics_with_ruby_win.htm0.5 https://quickfield.com/advanced/relay_dynamics_with_tcl.htm0.5 https://quickfield.com/advanced/relay_dynamics_with_tcl_win.htm0.5 https://quickfield.com/advanced/relay_dynamics_with_windows_vbscript.htm0.5 https://quickfield.com/advanced/relay_dynamics_with_windows_powershell.htm0.5 https://quickfield.com/advanced/resistive_current_limiter_heating.htm0.5https://quickfield.com/demo/resistive_current_limiter_heating.jpg Fault current limiter heating Superconducting cylinder is surrounded by the coolant. When the fault occurs the high fault current causes the superconductor to become normal, and the current starts generating the heat. https://quickfield.com/demo/resistive_current_limiter_heating.mp4 2013-01-21 no https://quickfield.com/advanced/resistive_levelmeter.htm0.5 https://quickfield.com/advanced/rg220_coax_cable.htm0.5https://quickfield.com/demo/rg220_cable_insulation.jpg RG 220 coaxial cable insulation Determine the electric field stress distribution in the cable insulation. https://quickfield.com/demo/rg220_cable_insulation.mp4 2010-02-03 no https://quickfield.com/demo/qf631_cable_optimization.jpg Coaxial cable optimization Find inner conductor diameter to get minimal electric field strength https://quickfield.com/demo/qf631_cable_optimization.mp4 2018-03-07 no https://quickfield.com/advanced/rim_anodizing.htm0.5 https://quickfield.com/advanced/ring_pm_ferromagnetic.htm0.5 https://quickfield.com/advanced/rogowski_electrodes.htm0.5https://quickfield.com/demo/ness_rogowski_electrodes.jpg Rogowski electrodes Rogowski electrodes have specially designed smooth shape to minimize the electric field on their ends. https://quickfield.com/demo/ness_rogowski_electrodes.mp4 2010-02-03 no https://quickfield.com/advanced/safety-fuse.htm0.5https://quickfield.com/demo/safety-fuse.jpg Safety fuse temperature Determination of the operating time of the fuse after a short-circuit https://quickfield.com/demo/safety-fuse.mp4 2023-04-05 no https://quickfield.com/advanced/salient_pole_stress.htm0.5https://quickfield.com/demo/salient_pole_stress.jpg Salient pole mechanical stress Salient pole of turbine generator is subject to centrifugal force loading. https://quickfield.com/demo/salient_pole_stress.mp4 2010-03-31 no https://quickfield.com/advanced/scott-t_transformer.htm0.5https://quickfield.com/demo/scott-t_transformer.jpg Scott transformer Transformer consists of 2 single phase transformers connected in a special way. The unit allows to convert 3-phase voltage to two single-phase voltages. https://quickfield.com/demo/scott-t_transformer.mp4 2018-11-15 no https://quickfield.com/advanced/sf6_gil_knee.htm0.5 https://quickfield.com/advanced/sf6_gil_spacer.htm0.5 https://quickfield.com/advanced/shaded_pole_motor.htm0.5 https://quickfield.com/advanced/shallow_foundation.htm0.5https://quickfield.com/demo/shallow_foundation.jpg Shallow foundation Calculation of the shallow foundation thermal conductance https://quickfield.com/demo/shallow_foundation.mp4 2016-05-24 no https://quickfield.com/advanced/shielded_busbars.htm0.5 https://quickfield.com/advanced/schlumberger_array.htm0.5 https://quickfield.com/advanced/signal_cable.htm0.5 https://quickfield.com/advanced/slab_heating.htm0.5https://quickfield.com/demo/slab_heating.jpg Moving slab heating in the inductor Steel slab is moving through the inline induction heater with 6 m/min speed. Find the temperature distribution in the slab. https://quickfield.com/demo/slab_heating.mp4 2024-09-19 no https://quickfield.com/advanced/slab_induction_heating.htm0.5https://quickfield.com/demo/slab_induction_heating.jpg Slab induction heating power A pre-heated steel slab is placed in the inductor. Calculate the Joule heating power. https://quickfield.com/demo/slab_induction_heating.mp4 2024-09-19 no https://quickfield.com/advanced/slot_heating.htm0.5https://quickfield.com/demo/slot_heating.jpg Slot conductor Determination of the temperature field in the slot of electric machine https://quickfield.com/demo/slot_heating.mp4 2023-04-12 no https://quickfield.com/advanced/slot-of-electric-machine.htm0.5https://quickfield.com/demo/slot-of-electric-machine.jpg Slot of electric machine In this tutorial we will analyze the skin effect occurring at the industrial frequency 50 Hz. The resistance of the conductor carrying 500 A sinusoidal current in the slot of the electric machine will be calculated. https://quickfield.com/demo/slot-of-electric-machine.mp4 2023-04-01 no https://quickfield.com/advanced/solenoid-under-current-load.htm0.5https://quickfield.com/demo/solenoid-under-current-load.jpg Solenoid under current load Stress distribution calculation for coupled magneto-structural problem. Calculate the mechanical stress distribution in the solenoid coil carrying current https://quickfield.com/demo/solenoid-under-current-load.mp4 2023-04-14 no https://quickfield.com/advanced/spark_plug.htm0.5https://quickfield.com/demo/spark_plug.jpg Spark plug electric field Calculate the electric field stress distribution in the spark gap https://quickfield.com/demo/spark_plug.mp4 2020-01-21 no https://quickfield.com/advanced/sphere_convection.htm0.5 https://quickfield.com/advanced/sphere_foil_sphere.htm0.5https://quickfield.com/demo/sphere_foil_sphere.jpg Double layer spherical capacitor with foil Find the capacitance of spherical capacitor and compare it with analytical solution https://quickfield.com/demo/sphere_foil_sphere.mp4 2020-07-02 no https://quickfield.com/advanced/spherical_capacitor.htm0.5https://quickfield.com/demo/spherical_capacitor.jpg Spherical capacitor Calculation of the capacitance of spherical capacitor and comparison with analytical solution . https://quickfield.com/demo/spherical_capacitor.mp4 2012-04-24 no https://quickfield.com/demo/spherical_capacitor_3d.jpg Spherical capacitor 3D Calculation of the capacitance of spherical capacitor and comparison with analytical solution. https://quickfield.com/demo/spherical_capacitor_3d.mp4 2020-07-02 no https://quickfield.com/advanced/spherical_permanent_magnet.htm0.5 https://quickfield.com/advanced/split_busbars_unbalance_current.htm0.5 https://quickfield.com/advanced/spiral_coil_inductance.htm0.5https://quickfield.com/demo/spiral_coil_inductance.jpg Flat spiral coil inductance This is an example of the flat (spiral) coil inductance calculation, performed with QuickField simulation software. https://quickfield.com/demo/spiral_coil_inductance.mp4 2020-08-16 no https://quickfield.com/advanced/squirrel-cage_induction_motor.htm0.5 https://quickfield.com/advanced/steam_pipe.htm0.5https://quickfield.com/demo/steam_pipe.jpg Steam pipe Steam is passing through the insulated steel pipe. Minimum insulation layer thickness which is required for the allowable heat losses should be found. https://quickfield.com/demo/steam_pipe.mp4 2013-04-24 no https://quickfield.com/advanced/steel-keeper.htm0.5https://quickfield.com/advanced/steel-keeper.gif Steel keeper Calculation of the mechanical force acting on the steel yoke in the magnetic field https://quickfield.com/demo/steel-keeper.mp4 2023-03-29 no https://quickfield.com/advanced/steel_tank.htm0.5https://quickfield.com/demo/steel_tank.jpg Steel tank Calculation of the wall outside temperature and heat losses https://quickfield.com/demo/steel_tank.mp4 2013-04-24 no https://quickfield.com/advanced/step_lap_joint.htm0.5https://quickfield.com/demo/step_lap_joint.jpg One turn loop inductance The value of leakage magnetic flux could indicate problematic core joint https://quickfield.com/demo/step_lap_joint.mp4 2020-09-05 no https://quickfield.com/advanced/stepper_motor.htm0.5https://quickfield.com/demo/stepper_motor.jpg Stepper motor torque Stepper motor torque vs. rotor position calculation https://quickfield.com/demo/stepper_motor.mp4 2021-01-25 no https://quickfield.com/advanced/storm.htm0.5 https://quickfield.com/advanced/stranded_wire.htm0.5https://quickfield.com/demo/stranded_wire.jpg Stranded wire The wire consists of many insulated transposed strands. Calculate Joule losses in the stranded wire winding. https://quickfield.com/demo/stranded_wire.mp4 2022-02-25 no https://quickfield.com/advanced/stress1.htm0.5https://quickfield.com/demo/perforated_plate_1024x704.jpg Perforated plate Determination of the concentration factor due to presence of the central opening in the plate. https://quickfield.com/demo/perforated_plate_1024x704.mp4 2015-05-24 no https://quickfield.com/advanced/submarine_power_cable.htm0.5 https://quickfield.com/advanced/substation_busbars_eddies.htm0.5 https://quickfield.com/advanced/substation_busbars_eddies_channel.htm0.5 https://quickfield.com/advanced/superconductor_levitation.htm0.5https://quickfield.com/demo/superconductor_levitation.jpg Superconductor levitation Levitation effect of superconductors with different air gaps between the magnet and the superconductor. https://quickfield.com/demo/superconductor_levitation.mp4 2022-12-16 no https://quickfield.com/advanced/superconducting_bowl_shield.htm0.5https://quickfield.com/demo/superconducting_bowl_shield.jpg Superconducting bowl shield with the optional layer of mu-metal This is an example of the superconducting bowl shield simulation, performed with QuickField software. https://quickfield.com/demo/superconducting_bowl_shield.mp4 2011-06-14 no https://quickfield.com/advanced/superconducting_ring.htm0.5https://quickfield.com/demo/superconductor_ring_rz.jpg Superconducting ring Continuous ring superconductor simulation. Calculate the magnetic field distribution in case of flux focusing and flux reducing superconducting rings. https://quickfield.com/demo/superconductor_ring_rz.mp4 2010-07-14 no https://quickfield.com/advanced/superconducting_sphere.htm0.5https://quickfield.com/demo/superconductor_sphere.jpg Superconducting sphere Superconducting sphere in an external magnetic field. Different boundary conditions. Results: deviation of the field, diagrams of current density. https://quickfield.com/demo/superconductor_sphere.mp4 2010-07-14 no https://quickfield.com/advanced/superconductor_fault_current_limiter.htm0.5https://quickfield.com/demo/superconductor_fault_current_limiter.jpg Superconducting fault current limiter An inductive superconducting current limiter utilizes the fact that a superconductor becomes a normal conductor at some critical value of magnetic flux density. Below the critical value the superconductor effectively screens the secondary winding. When the fault occurs, the current increases many times and its magnetic field causes the superconductor to come to a normal state. https://quickfield.com/demo/superconductor_fault_current_limiter.mp4 2013-01-21 no https://quickfield.com/advanced/superconductor_synchronous_motor.htm0.5 https://quickfield.com/advanced/suspension_insulator.htm0.5https://quickfield.com/demo/suspension_insulator.jpg Suspension insulator Disc insulators are connected in chain of two. The insulators are suspended from the grounded tower arm and carry HV power line. https://quickfield.com/demo/suspension_insulator.mp4 2020-01-22 no https://quickfield.com/advanced/swer.htm0.5https://quickfield.com/demo/swer.jpg Single-wire earth return A single wire distribution network consists of a single insulated wire. Earth is used as a return conductor. https://quickfield.com/demo/swer.mp4 2020-10-23 no https://quickfield.com/advanced/switched_reluctance_motor.htm0.5 https://quickfield.com/advanced/synchronous_inductance.htm0.5https://quickfield.com/demo/synchronous_inductance.jpg Synchronous inductance The magnetic reluctance of the rotor varies along its d- and q-axes. As a result, stator armature inductance varies with the rotor angular position. When the rotor d-axis is parallel to the stator magnetic field, the inductance value is maximum and is referred to as synchronous inductance. https://quickfield.com/demo/synchronous_inductance.mp4 2023-01-25 no https://quickfield.com/advanced/synchronous_motor_load_angle.htm0.5https://quickfield.com/demo/synchronous_motor_load_angle.jpg Synchronous machine power-angle curve The main characteristic of a synchronous motor is the electromagnetic torque vs. load angle dependence. In synchronous machines the rotor and the stator magnetic field rotate with the same angular velocity. The load angle is measured between the rotor position and stator magnetic field. Without mechanical loading the load angle is zero - the rotor is always aligned with the stator field. As the mechanical loading increases, the rotor begins to lag behind the stator field and load angle increases. https://quickfield.com/demo/synchronous_motor_load_angle.mp4 2023-01-25 no https://quickfield.com/advanced/synchronous_reluctance.htm0.5 https://quickfield.com/advanced/tecircuit1.htm0.5https://quickfield.com/demo/tecircuit1_800x560.jpg Coil with ferromagnetic core Determination of the non-sinusoidal electric current within the coil winding https://quickfield.com/demo/tecircuit1_800x560.mp4 2016-07-24 no https://quickfield.com/advanced/tecircuit2.htm0.5 https://quickfield.com/advanced/telec1.htm0.5https://quickfield.com/demo/telec1.jpg Nonlinear capacitor Calculation of the capacitance vs voltage function https://quickfield.com/demo/telec1.mp4 2022-09-05 no https://quickfield.com/advanced/telec2.htm0.5https://quickfield.com/demo/telec2.jpg ZnO lighting arrester Calculation of the varistor current after the lightning stroke https://quickfield.com/demo/telec2.mp4 2023-04-17 no https://quickfield.com/advanced/telec3.htm0.5https://quickfield.com/demo/telec3.jpg Stress control for cable termination This is an example of the cable termination simulation, performed with QuickField software. Stress relief mastic is used to reduce local electric field stress value. https://quickfield.com/demo/telec3.mp4 2023-09-20 no https://quickfield.com/advanced/temagn1.htm0.5 https://quickfield.com/advanced/temagn2.htm0.5 https://quickfield.com/advanced/temagn3.htm0.5 https://quickfield.com/advanced/temperature_dependent_resistance.htm0.5https://quickfield.com/demo/temperature_dependent_resistance.jpg Temperature dependent electrical resistance Electric current flows in the aluminum bus pipe. As a result of the thermal action of a current, the conductor heats up and its electrical conductivity changes. https://quickfield.com/demo/temperature_dependent_resistance.mp4 2023-07-20 no https://quickfield.com/advanced/theat1.htm0.5https://quickfield.com/demo/theat1.jpg Heating and cooling of a slot of an electric machine Calculation of the temperature vs. time dependence at the bottom of the slot https://quickfield.com/demo/theat1.mp4 2017-02-24 no https://quickfield.com/advanced/theat2.htm0.5https://quickfield.com/demo/theat2.jpg Temperature response of a suddenly cooled wire Determination of the temperature in the wire https://quickfield.com/demo/theat2.mp4 2016-07-24 no https://quickfield.com/advanced/theat3.htm0.5https://quickfield.com/demo/theat3_.jpg Transient temperature distribution in a metal bar Determination of the temperature distribution in the slab https://quickfield.com/demo/theat3_.mp4 2016-07-24 no https://quickfield.com/advanced/thermal_control.htm0.5https://quickfield.com/demo/thermal_control_1024x704.jpg Thermal control Two bars are firmly attached opposite each other so that there is a small gap between them. At the particular temperature bars come into contact. https://quickfield.com/demo/thermal_control_1024x704.mp4 2015-05-24 no https://quickfield.com/advanced/thin_film_resistance.htm0.5https://quickfield.com/demo/thin_film_resistance.jpg Thin film resistance Calculation of the steel film electrical resistance https://quickfield.com/demo/thin_film_resistance.mp4 2024-01-19 no https://quickfield.com/advanced/tline_emc.htm0.5https://quickfield.com/demo/tline_emc.jpg Transmission line electromagnetic compatibility A single wire distribution network consists of a single insulated wire. Earth is used as a return conductor. https://quickfield.com/demo/tline_emc.mp4 2020-10-23 no https://quickfield.com/advanced/tline_inductance_matrix.htm0.5https://quickfield.com/advanced/tline_inductance_matrix.png Power transmission line tline_inductance_matrix To measure inductance we energize one of the phase conductors and let the current to return in the ground. Flux linkage with each conductor is measured. Then self- and mutual inductance values are calculated. https://quickfield.com/demo/tline_inductance_matrix.mp4 2012-06-26 no https://quickfield.com/advanced/toe_lab1.htm0.5https://quickfield.com/demo/toe_lab1.jpg Slot embedded conductor skin effect,copper bar eddy currents Calculation of the vertical distribution of current density along the copper bar https://quickfield.com/demo/toe_lab1.mp4 2021-02-25 no https://quickfield.com/advanced/toe_lab2.htm0.5 https://quickfield.com/advanced/toe_lab3.htm0.5https://quickfield.com/demo/toe_lab3.jpg Proximity effect Finding the current density distribution along the cross section of long parallel conductors. https://quickfield.com/demo/toe_lab3.mp4 2021-02-25 no https://quickfield.com/advanced/toe_lab4.htm0.5https://quickfield.com/demo/toe_lab4.jpg Electromagnetic shielding Electromagnetic shielding. It is possible to screen alternating magnetic fields with highly permeable and conducting materials. The ferromagnetic material creates paths for magnetic flux to flow and conducting material may screen with induced currents. In this example we simulate a ferromagnetic cylindrical shield assembled of 2 halves. External magnetic field is applied with the help of boundary conditions. Our task is to find the level of magnetic field reduction inside the shield. https://quickfield.com/demo/toe_lab4.mp4 2022-06-16 no https://quickfield.com/advanced/toe_lab5.htm0.5https://quickfield.com/demo/multiturn_coil.jpg Magnetic field of the cylindrical coil Making a plot of magnetic flux density at the axis of the coil with and without steel core https://quickfield.com/demo/multiturn_coil.mp4 2014-06-24 no https://quickfield.com/advanced/toe_lab6.htm0.5 https://quickfield.com/advanced/toe_lab7.htm0.5 https://quickfield.com/advanced/touch_sensor_capacitance.htm0.5https://quickfield.com/demo/touch_sensor_capacitance.jpg Touch sensor capacitance Touch sensor consists of two circular electrodes, transmitting Tx and receiving Rx rings, placed on the dielectric board. Presence of the conductive stylus in their vicinity affects the capacitance between electrodes. https://quickfield.com/demo/touch_sensor_capacitance.mp4 2022-11-10 no https://quickfield.com/advanced/touch_sensor_matrix.htm0.5https://quickfield.com/demo/touch_sensor_matrix.jpg Touch sensor matrix Touch sensor matrix can detect the human finger position. It is an essential part of the capacitive touch screen. The matrix consists of two groups of electrodes: transmitters and receivers. https://quickfield.com/demo/touch_sensor_matrix.mp4 2022-11-10 no https://quickfield.com/advanced/touchscreen.htm0.5https://quickfield.com/demo/touchscreen.jpg Touchscreen This is a simplified model of the capacitive touchscreen, where the capacitance of the finger and human body is replaced by the grounded touch area on the touchscreen surface. https://quickfield.com/demo/touchscreen.mp4 2022-11-10 no https://quickfield.com/advanced/touchless_sensor.htm0.5 https://quickfield.com/advanced/transformer_bushing.htm0.5https://quickfield.com/demo/transformer_bushing.jpg Transformer bushing electric stress A solid-type oil-impregnated paper bushing is used to lead a 36 kV conductor inside a transformer tank. https://quickfield.com/demo/transformer_bushing.mp4 2023-11-22 no https://quickfield.com/advanced/transformer_electric_stress.htm0.5https://quickfield.com/demo/transformer_electric_stress.jpg Electric field stress in the transformer oil Calculate the electric field stress distribution in the oil. https://quickfield.com/demo/transformer_electric_stress.mp4 2020-09-25 no https://quickfield.com/advanced/transformer_2d_3d.htm0.5https://quickfield.com/demo/transformer_2d_3d.jpg Transformer model 2D vs. 3D When modeling an electromechanical device, a designer needs to keep in mind that a 2D problem set introduces an error in a field distribution in comparison with a 3D problem solution. However, a solving process of 2D problems is multiple times faster than of 3D. In this example the main (front) and side views of the transformer are modeled to demonstrate that a contribution side view coil sides to the total magnetic flux in the core is negligible. https://quickfield.com/demo/transformer_2d_3d.mp4 2017-02-24 no https://quickfield.com/advanced/transformer_losses.htm0.5https://quickfield.com/demo/transformer_losses.jpg Three phase transformer losses Calculate magnetic and electric losses in the three phase transformer. https://quickfield.com/demo/transformer_losses.mp4 2014-09-24 no https://quickfield.com/advanced/transformer_stray_flux.htm0.5https://quickfield.com/demo/transformer_stray_flux.jpg Electric arc furnace transformer short circuit Estimate the transformer short circuit voltage, axial forces in the windings, build the Stray fluxes field picture https://quickfield.com/demo/transformer_stray_flux.mp4 2020-09-18 no https://quickfield.com/advanced/transmission_line_capacitance.htm0.5https://quickfield.com/demo/transmission_line_capacitance.jpg Three phase overhead transmission line capacitance Finding the mutual capacitance between two parallel wires and comparison with analytical solution https://quickfield.com/demo/transmission_line_capacitance.mp4 2012-04-24 no https://quickfield.com/advanced/transmission_line_electric_coupling.htm0.5 https://quickfield.com/advanced/transmission_line_magnetic_coupling.htm0.5https://quickfield.com/demo/transmission_line_magnetic_coupling.jpg Transmission line magnetic coupling Two three phase transmission lines go side by side for 10 km. Left transmission line is energized by three phase currents system. Find the induced voltages in the right transmission line https://quickfield.com/demo/transmission_line_magnetic_coupling.mp4 2022-06-16 no https://quickfield.com/advanced/transposition.htm0.5https://quickfield.com/demo/transposition.jpg Power transmission line transposition At longer power lines wires are transposed according to the transposing scheme. Each of the three conductors must hang once at each position of the overhead line. On transmission lines of 110-500 kV rate one complete cycle of a transposition should be carried out if the line length exceeds 100 km. The transposition should be carried out so that total lengths of transmission line parts were approximately equal. The length of our line is 120 km. The distance between transposition points is 40 km. https://quickfield.com/demo/transposition.mp4 2014-10-24 no https://quickfield.com/advanced/triangle_wave_current.htm0.5 https://quickfield.com/advanced/two_ring_pm_repelling.htm0.5 https://quickfield.com/advanced/two_ring_pm_pull.htm0.5 https://quickfield.com/advanced/two_cylindrical_pm_repelling.htm0.5https://quickfield.com/demo/two_cylindrical_pm_repelling.jpg Repelling of the cylindrical magnets Two coaxial cylindrical permanent magnets repel one another. Calculate the repelling force between two coaxial cylindrical magnets. https://quickfield.com/demo/two_cylindrical_pm_repelling.mp4 2013-03-24 no https://quickfield.com/advanced/two_cylindrical_pm_pull.htm0.5https://quickfield.com/demo/two_cylindrical_pm_pull.jpg Attraction of the cylindrical magnets Two coaxial cylindrical permanent magnets are pulled to each other. Calculate the pulling force between two coaxial cylindrical magnets. https://quickfield.com/demo/two_cylindrical_pm_pull.mp4 2016-07-24 no https://quickfield.com/advanced/two_block_pm_repelling.htm0.5 https://quickfield.com/advanced/two_block_pm_pull.htm0.5 https://quickfield.com/advanced/two_disc_capacitor.htm0.5https://quickfield.com/demo/two_disc_capacitor_2d.jpg Two disc capacitor Plane capacitor with two disc-shaped plates. This problem may be simulated in both 2D axisymmetric and 3D extrusion formulation. https://quickfield.com/demo/two_disc_capacitor_2d.mp4 2013-09-24 no https://quickfield.com/advanced/tube_convection.htm0.5 https://quickfield.com/advanced/tutorials.htm0.5 https://quickfield.com/advanced/turbine_generator_deformation.htm0.5 https://quickfield.com/advanced/unbalanced_magnetic_pull.htm0.5https://quickfield.com/demo/unbalanced_magnetic_pull.jpg Unbalanced magnetic pull Synchronous generator features rotor with permanents magnet and a stator with three phase winding. If the rotor is proper centered then the total electromagnetic force is zero. Rotor eccentricity makes the air gap to be uneven and causes an unbalanced magnetic pull. https://quickfield.com/demo/unbalanced_magnetic_pull.mp4 2023-01-25 no https://quickfield.com/advanced/underfloor_heating.htm0.5 https://quickfield.com/advanced/underground_cable_crossing.htm0.5 https://quickfield.com/advanced/underground_cable_temperature.htm0.5https://quickfield.com/demo/underground_cable_temperature.jpg Underground cable temperature In this example we perform the thermal analysis of the cable described in the IEC 60853-2 example F2. The example is based on a single circuit 400 kV self-contained oil-filled cable system. The temperature distribution in the cable parts is calculated. https://quickfield.com/demo/underground_cable_temperature.mp4 2023-08-22 no https://quickfield.com/advanced/variable_capacitor.htm0.5https://quickfield.com/demo/variable_capacitor_960x720.jpg Variable capacitor Variable air capacitor consists of fixed stator plates and movable rotor. Capacitance between the stator plates depends on the position of the rotor. https://quickfield.com/demo/variable_capacitor_960x720.mp4 2013-10-24 no https://quickfield.com/advanced/vessel.htm0.5https://quickfield.com/demo/vessel.jpg Vessel Thermal insulating vessel (thermal conductivity of the material is given) separates a heated agent from the ambient space. https://quickfield.com/demo/vessel.mp4 2015-09-24 no https://quickfield.com/advanced/voice_coil_motor.htm0.5https://quickfield.com/demo/voice_coil_motor.jpg Voice coil of a speaker Calculate the magnetic flux density profile along the voice coil height https://quickfield.com/demo/voice_coil_motor.mp4 2022-02-25 no https://quickfield.com/advanced/vertical_plate_convection.htm0.5 https://quickfield.com/advanced/vent_duct.htm0.5 https://quickfield.com/advanced/volpov.htm0.5 https://quickfield.com/advanced/water_liquid_solid_modelling.htm0.5https://quickfield.com/demo/water_liquid_solid_modelling.jpg Water liquid solid phase change A 10 mm thick layer of water at the temperature of 0°C is placed into contact with a body with the temperature of -5°C. The phase change is modelled by specifying nonlinear specific heat vs. temperature dependency. https://quickfield.com/demo/water_liquid_solid_modelling.mp4 2023-09-20 no https://quickfield.com/advanced/water-heater_labview.htm0.5https://quickfield.com/demo/water-heater_labview.jpg Water heater control system simulation in LabVIEW. Creating a closed loop of two coupled transient heat transfer problems in QuickField. The control system works through the QuickField application programming interface. https://quickfield.com/demo/water-heater_labview.mp4 2019-08-19 no https://quickfield.com/advanced/water-heater_simulink.htm0.5https://quickfield.com/demo/water-heater_simulink.jpg Water heater control system simulation in Simulink. Creating a closed loop of two coupled transient heat transfer problems in QuickField. The control system works through the QuickField application programming interface. https://quickfield.com/demo/water-heater_simulink.mp4 2019-08-19 no https://quickfield.com/advanced/wenner_electrodes_array.htm0.5 https://quickfield.com/advanced/winding_force.htm0.5https://quickfield.com/demo/bobbin_deformation_1024x704.jpg Bobbin deformation caused by the winding of wiring Calculation of the temperature rise corresponding to the given winding force of wiring https://quickfield.com/demo/bobbin_deformation_1024x704.mp4 2015-05-24 no https://quickfield.com/advanced/window_block.htm0.5https://quickfield.com/demo/window_block.jpg Heat losses through windows Calculation of heat losses through the window reveal. Two cases are compared: single layered brick wall and multilayered modern construction https://quickfield.com/demo/window_block.mp4 2016-05-24 no https://quickfield.com/advanced/wire_ring_capacitance.htm0.5 https://quickfield.com/advanced/wireless_charger.htm0.6https://quickfield.com/demo/wireless_charger.jpg Wireless charging Wireless charger is an air transformer. Adding capacitances in series with primary and secondary coils improve its characteristics. https://quickfield.com/demo/wireless_charger.mp4 2017-02-24 no https://quickfield.com/advanced/wires_capacitive_coupling.htm0.5